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（E）-N'-（2-呋喃基亚甲基）-肼基甲酸甲酯

(E)-Methyl N'-(2-furylmethyl-ene)-hydrazinecarboxyl-ate.

作者信息

Lv Lu-Ping, Zhang Yong-Zhao, Ding Xiao-Min, Yu Wen-Bo, Hu Xian-Chao

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2008 Oct 22;64(Pt 11):o2146. doi: 10.1107/S1600536808033825.

DOI:10.1107/S1600536808033825
PMID:21581006
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2959771/
Abstract

The title compound, C(7)H(8)N(2)O(3), crystallizes with two independent but essentially identical mol-ecules in the asymmetric unit. Each mol-ecule adopts a trans configuration with respect to the C=N bond. The hydrazinecarboxyl-ate group is twisted from the furan ring by 7.78 (13)° in one mol-ecule and by 7.01 (17)° in the other. In the crystal structure, mol-ecules are linked into chains running along [010] by bifurcated N-H⋯(N,O) and N-H⋯O hydrogen bonds. In addition, weak C-H⋯O inter-actions and an O⋯C short contact [2.896 (3) Å] are observed.

摘要

标题化合物C(7)H(8)N(2)O(3)在不对称单元中以两个独立但基本相同的分子结晶。每个分子相对于C=N键采取反式构型。在一个分子中，肼羧酸酯基团相对于呋喃环扭转了7.78 (13)°，在另一个分子中扭转了7.01 (17)°。在晶体结构中，分子通过分叉的N-H⋯(N,O)和N-H⋯O氢键连接成沿[010]方向延伸的链。此外，还观察到弱的C-H⋯O相互作用和一个O⋯C短接触[2.896 (3) Å]。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d1f/2959771/d9fb0d4fa509/e-64-o2146-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d1f/2959771/8235009d345c/e-64-o2146-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d1f/2959771/d9fb0d4fa509/e-64-o2146-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d1f/2959771/8235009d345c/e-64-o2146-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d1f/2959771/d9fb0d4fa509/e-64-o2146-fig2.jpg

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